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Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

Originally Posted by AmericasBeekeeper

PDB killed SHB for me but the concentration is higher than wax moths to be effective.

Stored some supers that I thought were clear of SHB and any of their eggs or larvae. Much to my surprise, I soon noticed pupa crawling out from them. After looking I found small infestations of all ages. Washed them out and stored again, this time using PDB. That wiped them out.

So I guess I'm saying beware. Wax moths are not your only problems with stored supers. Altho I hate doing so, I don't think I'll store supers again without using PDB. Drawn comb is just too valuable and there is just no sure way of knowing that SHB (or their eggs) are not already in them.

Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

Why use PDB when it is really difficult to air the comb long enough/well enough when you want to give it back to the bees. 24 hours in the freezer deals efficiently with wax moth and I'm fairly sure that SHB would seccumb as well.

Re: Will Paradichlorobenzene kill SHB or any larvae in stored comb?

Originally Posted by Silverlode

24 hours in the freezer deals efficiently with wax moth and I'm fairly sure that SHB would seccumb as well.

So very true........if you have either a very large freezer or a small amount of comb. You don't know when you put the comb up if some SHB are hiding in there somewhere or have left their eggs to hatch......so PDB. I learned the hard way.....